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Note 14 - Stockholders' Equity (Detail) - Summary of stock option activity under the 2001 Plan: (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Shares | 3.08 |
Weighted Average Exercise Price (in Dollars per share) | $ 1.30 |
2001 Plan [Member] |  |
Outstanding at December 31, 2010 | 53,900 | 166,540
Outstanding at December 31, 2010 (in Dollars per share) | $ 3.77 | $ 14.85
Shares | 22,200 | 53,900
Weighted Average Exercise Price (in Dollars per share) | $ 3.08 | $ 3.77
Shares | (24,400) | (20,333)
Weighted Average Exercise Price (in Dollars per share) | $ 3.04 | $ 2.14
Shares | (7,300) | (92,307)
Weighted Average Exercise Price (in Dollars per share) | $ 9.35 | $ 24.12

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